7-chloro-17-hydroxy-2,7-dihydro-yohimb-1-ene-16-carboxylic acid methyl ester

(+) methyl 3-[1,2,3,4,6,7,12,12bα-octahydro-2-[(methoxycarbonyl)methylene]indolo[2,3-a]quinolizin-3α-yl]propionate

(3b)-17alpha-羟基育亨宾-16b-羧酸甲酯